P. 13 of the WWC stadards document. https://ies.ed.gov/ncee/wwc/Docs/referenceresources/wwc_procedures_v3_0_standards_handbook.pdf Overall Attrition Conservative Boundary Liberal Boundary 0 0.057 0.1 0.01 0.058 0.101 0.02 0.059 0.102 0.03 0.059 0.103 0.04 0.06 0.104 0.05 0.061 0.105 0.06 0.062 0.107 0.07 0.063 0.108 0.08 0.063 0.109 0.09 0.063 0.109 0.1 0.063 0.109 0.11 0.062 0.109 0.12 0.062 0.109 0.13 … Continue reading WWC attrition table
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